PROBLEM Possible cause What to do
Portafilter is tight
to turn in the
Group Head
The Group Head Silicone Seal is new and
needs bedding in.
Keep using. This Seal will bed in during the first
few uses and become easier to turn.
Too many coffee grinds used. Fill with less coffee grinds.
Portafilter
is loose
or comes off
during espresso
extraction
Portafilter is not attached correctly or has
not been tightened sufficiently.
Ensure all three tabs of the Portafilter are fully
inserted into the Group Head and rotated to the
centre position.
No Filter Basket inserted in the Portafilter. Ensure a Filter Basket is inserted into the
Portafilter before using in the Group Head.
Espresso squirts
or trickles down
the side of the
Group Head
during extraction
Coffee grind is too fine and is stopping the
flow of water through the grounds.
Change grinder to a coarser Grind Setting.
Too many coffee grinds used. Fill with less coffee grinds.
Coffee grinds tamped too hard. Apply less force during tamping.
Top edge of Filter Basket has not been
cleaned of loose coffee grinds.
Wipe around top edge of the Filter Basket before
inserting into Group Head. See Coffee Making
Guide.
Group Head inside rim, Silicon Seal or
Shower Head is dirty.
Clean the parts with the Cleaning Brush and
damp cloth.
Group Head Silicone Seal is damaged or
worn.
Contact Oster Customer Care.
Espresso
is too cold
Coffee beans being stored in the fridge or
freezer.
Store coffee beans in a dry, airtight container.
Place in a cool dark cupboard.
Custom extraction temperature being used. Use the default 92°C extraction temperature. See
Customisable - Extraction Temperature.
Cup or glass was cold prior to espresso pour. Pour hot water from the Hot Water Tap into the
cup before extracting espresso.
Group Head or Portafilter not warmed before
use.
Hold the Portafilter under the Group Head and
press the ONE CUP BUTTON. Allow water to
run through.
TROUBLESHOOTING GUIDE
English - 12
BVSTEM7400_23PEM1_PORT/ENG.indd 12BVSTEM7400_23PEM1_PORT/ENG.indd 12 2023/11/28 10:502023/11/28 10:50
To Next Page